Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Altura (pés) com o nome sendo edifício Leadenhall.
 ###Tabelas: CREATE TABLE tallest_under-construction_buildings (tallest_under-construction_buildings_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Name VARCHAR, City VARCHAR, Region VARCHAR, Height (m) INT, Height (ft) INT, Floors INT, Estimated Completion INT) CREATE TABLE new_york_yankees_vs._boston_red_sox (new_york_yankees_vs._boston_red_sox_id AUTO_INCREMENT PRIMARY KEY, Game INT, Date VARCHAR, Location VARCHAR, Time VARCHAR, Attendance INT) CREATE TABLE wta_tour_singles_finals_19_7–12 (wta_tour_singles_finals_19_7–12_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Date VARCHAR, Tournament VARCHAR, Surface VARCHAR, Opponent in the final VARCHAR, Score VARCHAR) CREATE TABLE baseball (baseball_id AUTO_INCREMENT PRIMARY KEY, Team VARCHAR, Season VARCHAR, Regular Season INT, Tournament INT, Total INT) CREATE TABLE vital_statistics (vital_statistics_id AUTO_INCREMENT PRIMARY KEY, Average population (x 1,000) VARCHAR, Live births VARCHAR, Deaths VARCHAR, Natural change VARCHAR, Migration VARCHAR, Crude birth rate (per 1,000) INT, Crude death rate (per 1,000) INT, Natural change (per 1,000) INT, Migration (per 1,000) INT)  
SELECT Height (ft) FROM tallest_under-construction_buildings WHERE Name = Leadenhall Building